| Cambridge to Oerlinghausen | 363.06 mi (584.29 km) |
| Cambridge to Oestrich-Winkel | 374.07 mi (602.01 km) |
| Cambridge to Offenburg | 430.29 mi (692.48 km) |
| Cambridge to Oftersheim | 418.08 mi (672.84 km) |
| Cambridge to Ohrdruf | 465.70 mi (749.48 km) |
| Cambridge to Ohringen | 459.56 mi (739.59 km) |
| Cambridge to Olbernhau | 578.14 mi (930.43 km) |
| Cambridge to Olching | 566.41 mi (911.55 km) |
| Cambridge to Oldenburg | 345.07 mi (555.33 km) |
| Cambridge to Oldenburg in Holstein | 467.36 mi (752.14 km) |
| Cambridge to Olfen | 310.97 mi (500.46 km) |
| Cambridge to Olpe | 340.84 mi (548.53 km) |
| Cambridge to Olsberg | 362.20 mi (582.90 km) |
| Cambridge to Oranienburg | 552.53 mi (889.22 km) |
| Cambridge to Ortenberg | 406.48 mi (654.17 km) |
